Home / 48,266,538.10-72,336,821.55-19,489,117.30

Finding the Fourth Proportional to 48,266,538.10, 72,336,821.55 and 19,489,117.30

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Solution

The fourth proportional to 48,266,538.10, 72,336,821.55 and 19,489,117.30 is: 29,208,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,266,538.10 : 72,336,821.55 = 19,489,117.30 : x
  2. Step 2: Convert to fraction form
    48,266,538.10/72,336,821.55 = 19,489,117.30/x
  3. Step 3: Cross multiply
    48,266,538.10x = 72,336,821.55 × 19,489,117.30
  4. Step 4: Simplify right side
    48,266,538.10x = 1,409,780,800,297,117.75
  5. Step 5: Solve for x
    x = 1,409,780,800,297,117.75/48,266,538.10
  6. Step 6: Final answer
    x = 29,208,243.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.